CN104541018A - Downhole turbine-driven system - Google Patents
Downhole turbine-driven system Download PDFInfo
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- CN104541018A CN104541018A CN201380041803.5A CN201380041803A CN104541018A CN 104541018 A CN104541018 A CN 104541018A CN 201380041803 A CN201380041803 A CN 201380041803A CN 104541018 A CN104541018 A CN 104541018A
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- drive division
- division section
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- operated
- well
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- 239000012530 fluid Substances 0.000 claims abstract description 73
- 239000002253 acid Substances 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 230000000638 stimulation Effects 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HLLSOEKIMZEGFV-UHFFFAOYSA-N 4-(dibutylsulfamoyl)benzoic acid Chemical compound CCCCN(CCCC)S(=O)(=O)C1=CC=C(C(O)=O)C=C1 HLLSOEKIMZEGFV-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0085—Adaptations of electric power generating means for use in boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Catching Or Destruction (AREA)
- Earth Drilling (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Hydraulic Turbines (AREA)
Abstract
The present invention relates to a downhole system for performing an operation in a well downhole. The system comprises an elongated tubing string (3) for conducting fluid in the well; a turbine (7) driven by the fluid for driving a shaft (8); a generator (9) driven by the turbine by means of the shaft, a fluid-driven driving section (5) comprising a pump (6) driven by the fluid supplied through the shaft for propelling the fluid-driven driving section and the tubing string forward in the well, and an electrically driven driving section (10) comprising an electrical motor(ll) powered by the generator (9) for propelling the driving section and the tubing string forward in the well, wherein the fluid-driven driving section (5) is arranged between the generator (9) and the electrically driven driving section (10).
Description
Technical field
The present invention relates to a kind of downhole system for the down-hole executable operations at well, comprising the elongated tubing string for guiding fluid in well.
Background technology
Hydrocarbon well has more than one branch or horizontal of exhaling from main borehole usually.Horizontal Zhi Keneng has horizontal again and has different length.When completing one and there is the well of long horizontal, produce to make hydrocarbon-containifluids fluids flow and to start by this well of acid treatment.In order to carry out acid treatment in horizontal, rolling tube is pushed down through well or hole with well enters in horizontal.But when pushing away rolling tube when facing down from ground, it tends to when moving to interior than horizontal of main borehole more level curling, and rolling tube is stuck in horizontal somewhere.Therefore horizontal Zhi Buhui makes its actual length that can get out because later stage acid and service equipment can not enter the end section of horizontal so grown, since it is known equipment can not enter so little horizontal of diameter.
Summary of the invention
The object of the invention is the above-mentioned shortcoming and defect completely or partially overcoming prior art.More specifically, the object of this invention is to provide the downhole system can being served the long improvement of horizontal by tubing string.
To become obvious above-mentioned purpose to be realized by solution according to the present invention together with other objects many, advantage and feature from following description, the present invention relates to the downhole system for the down-hole executable operations at well, this system comprises:
-for guiding the elongated tubing string of fluid in well,
-by the fluid-operated turbine for driving shaft,
-by turbine by means of described shaft-driven generator, and
-fluid-operated drive division section, it comprises by the fluid-operated pump supplied by axle, for pushing ahead described fluid-operated drive division section and described tubing string in well,
Wherein, described system also comprises electrically driven (operated) drive division section, it comprises the electro-motor being supplied power by generator, and for pushing ahead described drive division section and described tubing string in well, described fluid-operated drive division section is arranged between described generator and described electrically driven (operated) drive division section.
In one embodiment, described pump can be driven by the axle of turbine.
In addition, elongated tubing string can be rolling tube.
In addition, the external diameter of drive division section can be less than 7 inches, is preferably less than 6 inches, and is more preferably less than 5 inches.
In addition, the length of tubing string can be at least 5km, preferably at least 7km, more preferably at least 9km, even more preferably at least 10km.
In addition, generator and electro-motor can by the electrical connection section electrical connections extended through fluid-operated drive division section.
In addition, be supplied to the pump of fluid-operated drive division section by the fluid passage extended through turbine and generator from the fluid of tubing string.
In addition, pressure-control valve can be arranged in the fluid passage, for reducing the fluid flowing to the pump of fluid-operated drive division section.
In addition, flow divider can be arranged in the fluid passage, for being supplied to the divided fluid stream of passage to turbine.
In addition, drive division section can comprise the propulsion unit of the inner surface of contact well, for pushing ahead drive division section in well.
In addition, propulsion unit can the hydraulically powered unit of right and wrong and by electrical motor driven.
In addition, propulsion unit can be the wheel of the inner surface of contact well.
In one embodiment, each wheel can be arranged in the wheel arm that can give prominence to.
In addition, the wheel arm of fluid-operated drive division section can be given prominence to from portion's piece housing along first direction, and the wheel arm of electrically driven (operated) drive division section can be given prominence to along the second direction being approximately perpendicular to described first direction.
In addition, electro-motor can drive the wheel of described electrically driven (operated) drive division section.
In addition, each propulsion unit of electrically driven (operated) drive division section can comprise the electro-motor being supplied power by generator.
In addition, electrically driven (operated) drive division section can comprise by the pump of electrical motor driven, for driving forwards described electrically driven (operated) drive division section in well.
Downhole system also can comprise the second electrically driven (operated) drive division section being arranged into the electrical connection section driving in another electrically driven (operated) drive division section of closest described tubing string by generator.
In one embodiment, the electrically driven (operated) drive division section be arranged to closest to described tubing string can comprise pump, for the hydraulically powered propulsion unit of driving.
In addition, second electrically driven (operated) drive division section can comprise propulsion unit, the hydraulically powered unit of these propulsion unit right and wrong.
In another embodiment, each propulsion unit of second electrically driven (operated) drive division section can comprise the electro-motor being supplied power by generator.
In addition, electrically driven (operated) drive division section can comprise rechargeable battery.
Downhole system also can comprise current divider, for shunt from tubing string at least partially fluid in well.
Can by starting to carry out acid treatment from ground to pumping acid compound tubing string to well after tubing string has been pulled completely into very long horizontal at this.
In one embodiment, current divider can be arranged in the dispersal unit for dispersing fluid in well, such as chemical reactant.
This chemical reactant can be containing acid or the fluid containing alkali.
Downhole system can also comprise expansion cell, for carry out stimulation applications or with containing acid or containing alkali fluid treatment well time protect described drive division section.
In addition, downhole system can comprise separative element, is separated with tubing string for making described drive division section.
In one embodiment, separative element can be included in dispersal unit.
In addition, downhole system can comprise the some electrically driven (operated) drive division section all being supplied power by generator.
In addition, downhole system can comprise by shaft-driven some generators.
Finally, the present invention relates to a kind of for by above-mentioned downhole system to the long acid-treated stimulating method of horizontal Zhi Zhihang, the method comprises the following steps:
-turbine is connected with tubing string,
-generator is connected with turbine,
-fluid-operated drive division section is connected with turbine,
-electrically driven (operated) drive division section is connected with fluid-operated drive division section, make electric power be transmitted to electrically driven (operated) drive division section from generator,
-pressure fluid is supplied in tubing string,
-by means of drive division section, tubing string is moved in horizontal, and
-fluid with acid concentration to be supplied to outlet in downhole system downwards along tubing string, thus process described horizontal with acid.
Accompanying drawing explanation
Describe the present invention and many advantages thereof below with reference to the accompanying drawings in more detail, wherein show some nonrestrictive embodiments for purposes of illustration, and in the accompanying drawings
Fig. 1 shows according to downhole system of the present invention,
Fig. 2 shows the lateral view according to downhole system of the present invention,
Fig. 3 shows the lateral view according to another downhole system of the present invention,
Fig. 4 shows the lateral view of the downhole system according to Fig. 1,
Fig. 5 shows the lateral view of another embodiment of downhole system,
Fig. 6 shows the sectional view of fluid-operated drive division section shown in Figure 4,
Fig. 7 shows the lateral view of another downhole system,
Fig. 8 shows the lateral view of another downhole system,
Fig. 9 shows a downhole system at the lateral view of its punctured position again, and
Figure 10 shows the downhole system being in its expansion and separation point position.
Institute's drawings attached is all high-level schematic and not necessarily draws in proportion, and they only illustrate that those are for illustrating necessary part of the present invention, and other parts are omitted or only advise.
Detailed description of the invention
Fig. 1 shows hydrocarbon well 2, and it has horizontal that exhales from main borehole 12.In one of long horizontal 13, tubing string 3---is also referred to as rolling tube---and is drawing in the part of more level of horizontal 13 by two drive division sections 5,10, and described two drive division sections are fluid-operated drive division section 5 and electrically driven (operated) drive division section 10.Drive division section 5,10 advances himself and tubing string in the sleeve pipe 15 of horizontal.Drive division section 5,10 is connected with the end 14 of described tubing string, and this end distance is in the well head 30 at the top of the well in ground or seabed farthest.When by along well promote downwards tubing string make it enter long horizontal time, tubing string can---also referred to as " rolling tube tangles a little "---curling, this will cause tubing string to block at certain point.By drive division section being arranged in the front of described tubing string, the end of tubing string is drawn forward and prevents tubing string curling and block, and tubing string be exceeded thus described in tangle and a little draw in horizontal further.
Now, horizontal be made into enable operation and service equipment along the whole size operation of horizontal and service long like that.Once operating equipment can enter ground further, well and horizontal can make longer.Horizontal brace has the diameter being substantially less than main borehole, which has limited the diameter of equipment and service aid, and can enter the long particularly least significant end of horizontal and the equipment of minimum part and the type of instrument because which limit.Before a well can be produced, it stands acid treatment.In order to make acid, also the least significant end part of horizontal is arrived in process, namely farthest away from the part of main borehole, the tubing string of supply acid needs the end being pulled to almost through horizontal.If do not done like this, tubing string can be curling, and this will cause and can not to whole horizontal Zhi Jinhang acid treatment, thus hinder it to produce hydrocarbon.Therefore, it is possible to pull the drafting tool of tubing string to need self to provide power, because they fully do not provide power by the cable from ground in narrow, long horizontal.
Therefore, between drive division section 5,10 and tubing string 3, turbine 7 is connected with tubing string and is driven by the high-pressure fluid supplied from the top of well by tubing string.Turbine 7 drives generator 9, and supplies power by fluid-operated drive division section 5 to electrically driven (operated) drive division section 10.When drive division section enters end or the least significant end part of horizontal, horizontal diameter reduces greatly, this means that the diameter of this drive division section needs little equally.Therefore, space is not had for supplying fluid to the second drive division section in the drive division section that first fluid drives, therefore, the second drive division section needs to be electrically driven, because electricity can be transmitted to adjacent electrically driven (operated) drive division section 10 by fluid-operated drive division section.
Electrically driven (operated) drive division section 10 comprises the propulsion unit 18 of wheel form, and each wheel comprises for rotating this wheel and push ahead the electro-motor of driver element and tubing string in well.Therefore, electrically driven (operated) drive division section comprises the propulsion unit that non-hydraulic drives, and it passes through control device 25 Direct driver by generator 9.Downhole system can comprise some electrically driven (operated) drive division section of arranging successively and all by generator drive, as shown in Figures 9 and 10.
The propulsion unit 18 of electrically driven (operated) drive division section 10 also can be rotary unit 36, and track 37 is arranged around this rotary unit, as shown in Figure 3.Each track has a rotary unit 18, it electro-motor 11 comprising drive track 37 or be with and then push ahead in well described drive division section.
As shown in Figure 4, fluid-operated drive division section 5 comprises pump 6.Pump 6 was driven or be supplied to by the fluid passage 16 running through turbine 7 and generator 9 pump fluid by the axis of rotation of turbine drives.Electrically driven (operated) drive division section 10 comprises the electro-motor 11 being supplied power by generator, for the ahead running providing electrically driven (operated) drive division section 10.The propulsion unit of the second drive division section is driven by the motor 11 be arranged between drive division section, and described motor drives a pump, and this pump drives the internal independence hydraulic system driving hydraulic motor in each wheel of the second drive division section 10.
In the diagram, a part of high-pressure fluid drive turbine 7 and and then drive generator 9, generator is to the motor supply power of electrically driven (operated) drive division section 10, and a part of fluid drives the pump 6 of described fluid-operated drive division section 5.Therefore, when tubing string is drawn in long horizontal 13 by self-propelled drive division section (as shown in Figure 1), the fluid in tubing string 3 is to one or more drive division section supply power.Therefore, the fluid from tubing string is used for driving forwards tubing string in horizontal, and fluid in tubing string is simultaneously and/or subsequently for executable operations.Tubing string therefore, it is possible to enter even longer and narrow horizontal, such as, is greater than 2km long and have horizontal of sleeve pipe or the well internal diameter being less than 7 inches.
In order to advance drive division section and tubing string forward or backward in well, drive division section comprises propulsion unit 18, as wheel 39, for contacting the inner surface of sleeve pipe or well in well, as shown in Fig. 2,4-5 and 7-10.Wheel 39 is arranged in from the outstanding wheel arm 19 of giving prominence to of the housing 20 of drive division section 5,10.
In Figure 5, the wheel arm of fluid-operated drive division section is given prominence to from portion's piece housing along first direction 21, and the wheel arm of electrically driven (operated) drive division section is given prominence to along the second direction 22 being approximately perpendicular to described first direction.Described wheel is contacted with the inner surface of sleeve pipe or well, for pushing ahead drive division section in well by the wheel arm pressurized that can give prominence to.
The wheel of fluid-operated drive division section rotates because each wheel comprises hydraulic motor 23.Whole hydraulic motors 23 of fluid-operated drive division section 5 are all driven by pump 6.
The wheel of the electrically driven (operated) drive division section shown in Fig. 5 is also driven by the pump 24 be included in electrically driven (operated) drive division section, and this pump is by electrical motor driven and drive the hydraulic motor 23 in each wheel 39.
In Fig. 2 and 7, the wheel 39 of electrically driven (operated) drive division section 10 includes the electro-motor 11 being supplied power by generator 9.As shown in Figure 7, electrically driven (operated) drive division section 10 can comprise control device 25 and rechargeable battery 26.Rechargeable battery 26 can be pushed downwards to charging during not the having in the curling and Part I of danger that blocks of tubing string of well at tubing string, and when tubing string enters the least significant end part of well, electrically driven (operated) drive division section 10 is activated to be drawn in horizontal the end of tubing string.
Generator 9 generates electricity for the electro-motor supply power for being arranged in electrically driven (operated) drive division section.Generator and electro-motor are electrically connected by the electrical connection section 17 extended through fluid-operated drive division section 5, as shown in Figure 6.
In the diagram, pressure-control valve 28 is arranged in fluid passage 16, for reducing the fluid leading to the pump of fluid-operated drive division section.Like this, do not need the pressure accurately controlling pressure fluid from ground to avoid damaging the parts of pump.If the hypertonia of this fluid, in order to prevent the parts damaging turbine and generator, current divider 29 is arranged to be connected with turbine, for making the fluid being at least partially supplied to turbine escape and enter in the well around downhole system by outlet 33 shunting, as shown in Figure 5.
As shown in Figure 7, flow divider 31 is arranged in the fluid passage, for being supplied to the divided fluid stream of described passage to turbine, and therefore, if the fluid pressure in passage is too high, then allows more fluid to pass through turbine.
When tubing string 3 to be pulled completely in long horizontal and will to have performed acid treatment operation, the fluid with high acid concentration has been supplied downwards by tubing string.When performing such operation, downhole system can comprise current divider 29, as shown in Figure 5, for by least partially from the divided fluid stream of tubing string in well, thus do not need to be separated drive division section to make pipe described in described fluid expulsion to perform acid treatment or the acidifying of well.Current divider 29 is arranged in and is supplied in the dispersal unit 32 of chemical reactant such as acid of chemical dispersion unit by tubing string 3 for disperseing in well.
In fig. 2, dispersal unit 32 comprises ball seat 40, and it passes through along tubing string falls downward one ball 41 to move described seat and to make fluid lead to outlet 33 and be energized.Ball in ball seat makes the fluid passage leading to turbine close.
Fig. 7 shows the downhole system comprising fluid-operated drive division section and electrically driven (operated) drive division section.This downhole system also comprises and is arranged in drive division section front and the operation tool farthest away from tubing string.When being pulled to the ad-hoc location in well when tubing string, a large amount of power in the pressure fluid in tubing string can be used for producing power to drive operation tool by turbine and generator.
Operation tool 38 shown in Fig. 2 and 7 can be any one instrument, such as, sit and put instrument, releasing tool, percussion tool, key-shaped tool, logging tool etc.Due to a large amount of power in the pressure fluid in tubing string, logging tool can operate when tubing string is pulled downwardly in well and not weaken the fltting speed of drive division section.
Downhole system shown in Fig. 9 comprises expansion cell 35.Expansion cell 35 expand with perform stimulation applications, such as with containing acid or contain this well of alkali fluid treatment time protect described drive division section.Expansion cell 35 can be any one packer expanded by high-pressure fluid.Expansion cell 35 is such as by expanding the fall with a size to make ball seat move to from the position allowing fluid to lead to turbine to make fluid lead to the second place of expansion cell in fluid.After expansion cell expands, second and larger fall, ball seat is moved to make fluid to lead to the 3rd position in well.
Downhole system also can comprise the separative element 43 be arranged in described dispersal unit 32, and it is separated with tubing string for making drive division section, as shown in Figure 9.Each drive division section comprises battery 26 and control device 25, and make when described drive division section is separated with tubing string and when such as acid treatment performs, self can release outside well by described drive division section.
The separation of tubing string can occur when the second fall and ball seat are moved to the second place that tubing string is separated with drive division section and therefore allow fluid to enter in well.
When expansion cell has expanded and drive division section is separated with tubing string, as shown in Figure 10, tubing string can be pulled rearward, and can start stimulation applications, as acid treatment.
Replace having expansion cell 35, the tubing string be separated can be pulled back to prevent to destroy drive division section when such as performing acid treatment further.
Timer may be used for expansion cell being shunk and encouraging drive division section self to be released outside well.
The electro-motor of electrically driven (operated) drive division section can also drive transmission system, propulsion unit 18 described in this transmission system drives or band, and therefore an electro-motor can drive some propulsion units or even all propulsion units.
When downhole system comprises second electrically driven (operated) drive division section, this electrically driven (operated) drive division section is driven by being arranged in the electrical connection section 17 be arranged to closest to another electrically driven (operated) drive division section of tubing string by generator.Therefore, a large amount of electrically driven (operated) drive division section can be installed on tubing string and pull tubing string forward in well.
In another embodiment, be arranged to can comprise pump for driving hydraulically powered propulsion unit closest to electrically driven (operated) drive division section of tubing string, wherein each hydraulically powered propulsion unit comprises hydraulic motor 23.
Therefore, the electrically driven (operated) drive division section being supplied power by generator can comprise electro-motor at each wheel or comprise hydraulic motor at each wheel, and hydraulic motor is driven by pump, the driven by power of this pump origin self generator.
When tubing string can not be drawn in horizontal by the fluid-operated drive division section of two drive division sections, such as and an electrically driven (operated) drive division section completely, downhole system can comprise the some electrically driven (operated) drive division section all being supplied power by generator, as shown in Figure 8.Downhole system can also comprise the some generators driven by the output shaft 8 of turbine, more for pulling the power of tubing string to obtain.
Such as, in order to carry out the acid treatment of horizontal of well or other fluid stimulates, scaling operation, downhole system is by making turbine be connected with tubing string and making generator be connected with turbine to install, make generator be driven by output shaft 8.Then, fluid-operated drive division section is connected with turbine, fluid passage 16 is connected with the pump 6 of described fluid-operated drive division section, and then electrically driven (operated) drive division section is connected with fluid-operated drive division section, electricity is made to conduct to electrically driven (operated) drive division section by fluid-operated drive division section from generator.Pressure fluid is supplied to turbine and fluid passage downwards by along tubing string.Like this, tubing string is directly drawn in horizontal by means of pressure fluid and by electrically driven (operated) drive division section by means of turbine, generator and electro-motor by fluid-operated drive division section.When tubing string in place to carry out acid treatment or other stimulation applications time, there is the fluid of special component such as acid or alkali concn or process horizontal containing the outlet 33 that the fluid of enzyme is supplied in downhole system by tubing string for acid downwards.
Downhole system can comprise for fluid such as acid or alkali are distributed to the dispersal unit 32 in horizontal.This dispersal unit can also comprise valve, and this valve tilts to make described unit contain rotation when sour fluid is entered by valve what pressurize.
The drive division section that can be included in long horizontal can have the external diameter that is less than 5 inches and more preferably be less than the external diameter of 4 inches.Long horizontal refers to length at least 4km, more preferably length at least 5km, more preferably length at least horizontal of 7km, branch or fork.
Fluid or well fluids refer to the fluid of any type being present in oil well or gas well down-hole, as natural gas, oil, oil-base mud, crude oil, water, or chemical composition, as acid compound.Gas refers to the gas component of any type be present in well, completion or open hole, and oil refers to the oil ingredient of any type, such as crude oil, containing flow of oil etc.Therefore gas, oil and aqueous fluid can comprise other element except gas, oil and/or water or material respectively.
What sleeve pipe referred to that down-hole uses produces the pipe, pipeline, tubular structure, bushing pipe, tubing string etc. of relevant any type with oil or natural gas.
Drive division section can be downhole tractor or the driven tool that can promote or pull any type of instrument in down-hole, such as Well
Although in conjunction with the preferred embodiments of the present invention, invention has been described above, do not deviate from as claim below the some modification that can expect in the situation of the present invention that limits apparent to those skilled in the art.
Claims (14)
1. the downhole system (1) for executable operations in the well (2) of well, this system comprises:
-for guiding the elongated tubing string (3) of fluid (4) in well,
-by the fluid-operated turbine for driving shaft (8) (7),
-by turbine by means of described shaft-driven generator (9), and
-fluid-operated drive division section (5), it comprises by the fluid-operated pump (6) supplied by axle, for pushing ahead described fluid-operated drive division section and described tubing string in well,
Wherein, described system also comprises electrically driven (operated) drive division section (10), it comprises the electro-motor (11) being supplied power by generator, for pushing ahead described drive division section and described tubing string in described well, described fluid-operated drive division section is arranged between described generator and described electrically driven (operated) drive division section.
2. downhole system according to claim 1, wherein, described generator and described electro-motor are electrically connected by extend through the electrical connection section (17) of described fluid-operated drive division section.
3. downhole system according to claim 1 and 2, wherein, is supplied to the pump of described fluid-operated drive division section by extend through the fluid passage (16) of described turbine and described generator from the fluid of described tubing string.
4. according to downhole system in any one of the preceding claims wherein, wherein, described drive division section comprises the propulsion unit (18) of the inner surface (27) of contact well, for pushing ahead described drive division section in well.
5. downhole system according to claim 4, wherein, the hydraulically powered unit of described propulsion unit right and wrong and by described electrical motor driven.
6. the downhole system according to claim 4 or 5, wherein, described propulsion unit is the wheel (39) of the inner surface (27) of contact well.
7. downhole system according to claim 6, wherein, each wheel is arranged in the wheel arm (19) that can give prominence to.
8. the downhole system according to any one of claim 4 to 7, wherein, each propulsion unit of described electrically driven (operated) drive division section comprises the electro-motor (11) being supplied power by described generator.
9. according to downhole system in any one of the preceding claims wherein, wherein, described electrically driven (operated) drive division section comprises by the pump of described electrical motor driven (24), for driving forwards described electrically driven (operated) drive division section in well.
10. according to downhole system in any one of the preceding claims wherein, wherein, described electrically driven (operated) drive division section comprises rechargeable battery (26).
11. according to downhole system in any one of the preceding claims wherein, its also comprise for shunt from tubing string at least partially fluid to the current divider (29) in well.
12. downhole systems according to claim 11, wherein, described current divider is arranged in the dispersal unit for dispersing fluid in well, such as chemical reactant.
13. according to downhole system in any one of the preceding claims wherein, and it also comprises for carrying out stimulation applications or with containing acid or containing protecting the expansion cell (35) of described drive division section during alkali fluid treatment well.
14. according to downhole system in any one of the preceding claims wherein, and it also comprises the separative element for making described drive division section be separated with tubing string.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12180078.3 | 2012-08-10 | ||
| EP12180078.3A EP2696026A1 (en) | 2012-08-10 | 2012-08-10 | Downhole turbine-driven system |
| PCT/EP2013/066724 WO2014023829A1 (en) | 2012-08-10 | 2013-08-09 | Downhole turbine-driven system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104541018A true CN104541018A (en) | 2015-04-22 |
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ID=46750205
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380041803.5A Pending CN104541018A (en) | 2012-08-10 | 2013-08-09 | Downhole turbine-driven system |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20150218900A1 (en) |
| EP (2) | EP2696026A1 (en) |
| CN (1) | CN104541018A (en) |
| AU (1) | AU2013301466A1 (en) |
| BR (1) | BR112015002298A2 (en) |
| CA (1) | CA2881336A1 (en) |
| MX (1) | MX2015001608A (en) |
| RU (1) | RU2015107658A (en) |
| WO (1) | WO2014023829A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645696A (en) * | 2022-03-14 | 2022-06-21 | 宝鸡文理学院 | Hybrid power gas lift plunger |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2963236A1 (en) * | 2014-06-30 | 2016-01-06 | Welltec A/S | Downhole sensor system |
| NO344602B1 (en) * | 2015-04-01 | 2020-02-10 | Qinterra Tech As | Apparatus for use in a tractor in a wellbore and methods |
| US10385657B2 (en) | 2016-08-30 | 2019-08-20 | General Electric Company | Electromagnetic well bore robot conveyance system |
| US11753885B2 (en) * | 2018-06-01 | 2023-09-12 | Halliburton Energy Services, Inc. | Autonomous tractor using counter flow-driven propulsion |
| US11131160B2 (en) | 2019-08-06 | 2021-09-28 | Saudi Arabian Oil Company | Smart tubular running machine |
| WO2021080778A1 (en) | 2019-10-21 | 2021-04-29 | Schlumberger Technology Corporation | Formation evaluation at drill bit |
| US11142973B2 (en) | 2020-03-05 | 2021-10-12 | Saudi Arabian Oil Company | Thrust driven tractor by fluid jetting |
| US11236563B1 (en) | 2020-07-30 | 2022-02-01 | Saudi Arabian Oil Company | Autonomous downhole tool |
| US20220081982A1 (en) * | 2020-09-03 | 2022-03-17 | Defiant Engineering, Llc | Downhole intervention and completion drone and methods of use |
| AU2022366116A1 (en) * | 2021-10-11 | 2024-05-16 | Welltec A/S | Downhole self-propelling wireline tool |
| EP4163471A1 (en) * | 2021-10-11 | 2023-04-12 | Welltec A/S | Downhole self-propelling wireline tool |
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- 2012-08-10 EP EP12180078.3A patent/EP2696026A1/en not_active Withdrawn
-
2013
- 2013-08-09 BR BR112015002298A patent/BR112015002298A2/en not_active IP Right Cessation
- 2013-08-09 MX MX2015001608A patent/MX2015001608A/en unknown
- 2013-08-09 CA CA2881336A patent/CA2881336A1/en not_active Abandoned
- 2013-08-09 US US14/420,430 patent/US20150218900A1/en not_active Abandoned
- 2013-08-09 RU RU2015107658A patent/RU2015107658A/en not_active Application Discontinuation
- 2013-08-09 WO PCT/EP2013/066724 patent/WO2014023829A1/en active Application Filing
- 2013-08-09 AU AU2013301466A patent/AU2013301466A1/en not_active Abandoned
- 2013-08-09 EP EP13747410.2A patent/EP2882927A1/en not_active Withdrawn
- 2013-08-09 CN CN201380041803.5A patent/CN104541018A/en active Pending
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| US20010045300A1 (en) * | 1998-03-20 | 2001-11-29 | Roger Fincher | Thruster responsive to drilling parameters |
| US6273189B1 (en) * | 1999-02-05 | 2001-08-14 | Halliburton Energy Services, Inc. | Downhole tractor |
| CN1628207A (en) * | 2002-02-01 | 2005-06-15 | 哈利伯顿能源服务公司 | Well system |
| US20090084540A1 (en) * | 2006-01-23 | 2009-04-02 | Paul Dirk Schilte | Method of expanding a tubular element in a wellbore |
| CN101466915A (en) * | 2006-06-09 | 2009-06-24 | 哈里伯顿能源服务公司 | Drilling fluid flow diverter |
| US20080217024A1 (en) * | 2006-08-24 | 2008-09-11 | Western Well Tool, Inc. | Downhole tool with closed loop power systems |
| CN101250980A (en) * | 2007-02-19 | 2008-08-27 | 普拉德研究及开发股份有限公司 | Self-aligning open-hole tractor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645696A (en) * | 2022-03-14 | 2022-06-21 | 宝鸡文理学院 | Hybrid power gas lift plunger |
| CN114645696B (en) * | 2022-03-14 | 2024-01-30 | 宝鸡文理学院 | Hybrid gas lift plunger |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2015107658A (en) | 2016-09-27 |
| US20150218900A1 (en) | 2015-08-06 |
| EP2882927A1 (en) | 2015-06-17 |
| MX2015001608A (en) | 2015-05-07 |
| AU2013301466A1 (en) | 2015-03-26 |
| BR112015002298A2 (en) | 2017-07-04 |
| WO2014023829A1 (en) | 2014-02-13 |
| EP2696026A1 (en) | 2014-02-12 |
| CA2881336A1 (en) | 2014-02-13 |
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Application publication date: 20150422 |